pip包

1  pip3 --default-timeout=1000 install -U pip

 

 

https://www.cnblogs.com/lucky-cat233/p/12605537.html

https://blog.csdn.net/weixin_39773337/article/details/88781848

https://www.cnblogs.com/liuyanerfly/p/8677868.html

https://blog.csdn.net/hahaxq/article/details/104120025